. >> chris marino is housed 15 miles away from his ex fiancee. first time in jail. >> you know, this is where i am so i started being friendly, talking to people. i got along fine. >> while marino and greco acre knowledge the robberies, they admit to two counts of attempted robbery and say the month-long crime spree was fueled by heroin addictions. >> i can't tell you how much i was using. i really don't remember. all i know is i would do three to six bags in a shot when i would do a shot. >> jesus lord, save me from my thoughts. >> were you pretty much high 24 hours? >> yeah. >> i was using it before she was. it was in her face all the time, and she ended up using it. >> did you shoot her up? >> yeah. it's my fault she's on heroin right now, she was on heroin. >> what's the draw of this drug? >> makes you feel great. just happy, no worries. you almost feel normal in a way, the way you should feel and then you don't use it, you feel worse than you could imagine. >> the couple eventually found themselves pennyless and desperate for more heroin. >>